#include<stdio.h>
#include<stdlib.h>
int main()
{int i,j;
int x=5;
int y=10;
char input;

while(1)
{system("cls");
for(i=0;i<x;i++)
    printf("\n");
      for(j=0;j<y;j++)
        printf(" ");
        printf("*");
        printf("\n");
        
        scanf("%c",&input);
        if(input=='a')
          y--;
        if(input=='d')
          y++;
        if(input=='s')
          x++;
}
return 0;
 } 
